1-(2-Pyridylazo)-2-Naphthol (PAN)

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£234.00

SKU:: 228405
Molecular Weight:: 249.27
Storage Conditions:: 4°C
Supplier:: United States Biological
CAS Number:: 85-85-8
Extra Details:: Suitability as a complexometric indicator. 1-(2-Pyridylazo)-2-naphthol (PAN), an orange colored dye, is commonly used as an acid-base indicator. It can form chelates with metal ions, which makes it a valuable indicator in complexometric titrations. PAN is also a spectrophotometric reagent, which can extract metal chelates into an organic solvent. Synonyms: 1-[2-(2-Pyridinyl)diazenyl]-2-naphthalenol; 1-(2-Pyridylazo)-2-hydroxynaphthalene; 1-(2-Pyridylazo)-2-naphthol; 1-(2-pyridylazo)naphthol-2; 1-(2'-Pyridylazo)-2-naphthol; 1-(Pyridin-2-azo)-2-naphthol; 2-Hydroxy-1-(2-pyridylazo)naphthalene; 2-Hydroxy-1-[pyridin-2-yldiazenyl]naphthalene; NSC 5332; PAN; PAN (indicator); 2-(2-Hydroxy-1-naphthylazo)-pyridine CAS No: 85-85-8 Molecular Formula: C15H11N3O Molecular Weight: 249.27 Purity: ≥98% Appearance: Dark orange to brown powder Solubility (1mg/mL, 95% Ethanol): Clear solution Melting Point: 138-141°C (lit.) Absorptivity (1%, 1cm @ L-max 465nm): ≥670 Loss on Drying (110 °C, 1h): ≤1% Storage and Stability: Store at 4ºC. Stable for 12 months after receipt.